A bullet moving with velocity strikes a block of mass at rest and gets embedded in it. The loss in kinetic energy will be |
|||||||

a) |
100% |
b) |
95% |
c) |
5% |
d) |
50% |

A bullet moving with velocity strikes a block of mass at rest and gets embedded in it. The loss in kinetic energy will be |
|||||||

a) |
100% |
b) |
95% |
c) |
5% |
d) |
50% |

1 Answer

127 votes

**(b)**

Initial K.E. of system = K.E. of the bullet

By the law of conservation of linear momentum

Fractional loss in K.E.

By substituting

we get

Fractional loss Percentage loss

127 votes

127